How can we define the beginning of time?

Answer 1

Well, time is relative, so the beginning of time would be the point where all things were one entity. (This is a bit vague, but so is your question. :) )

Answer 2

Realistically, the idea of time is completely relative. Consider the different calendars utilized by different civilizations. They are all different, yet the world continues to turn. Scientifically, we can use telescopes to determine a rate of propagation of different gasses and materials, to determine their velocity and directional vectors. Finding this would give a relatively close estimate as to how long ago the Big Bang occurred. Light refractions and distancing of galaxy are also another way of attempting to determine the age of the universe. Even so, time is still a relative term. It is theorized that another universe may have existed prior to the Big Bang. I guess in a roundabout way, I am trying to say that we cannot define the beginning of time. Even theologically, the beginning of time is not defined. When did God begin to exist? Was there an entity prior to God? The definition of the beginning of time will differ based on who you talk to, based on their scientific or religious beliefs.

Answer 3

Time is related to some event always . you calculate time from the moment of occurence of some event. time is not an absolute quantity ; but a relative quantity. just as we have internationally aggreed to adopt the lenght of a particluar scale kept in a museum as a foot or meter , we have agred to adopt a particular duratioj as an hour and minute and second. Instead of what we have adopted as a second we can adopt even twice ot thrice the quantity of the duration of the second as a new second and sixty times or any number of times of that second as an hour and so on.So time is not an absolute quantity whose measure is determined by itself and whose origin or start is also not determined by itself but by some event that we desire to adopt as the beginning of time . This is how we have so many eras and so many calanedars in the world. The moment of the occurrence of the big bang also is considered as the beginning of time .But no scientist is yet born to calculate the exact time that has elapsed so far from the time of occurence of the big Bang . Time can also be calculated back from the time of the Big Bang and we can say somethijng happened some millions of years before the big Bang if we can think of the occurence of some specific event that might have happened long before the Big Bang that led to the creation of the visible universe that we are in.now.We can also take the occurence of any event that happend long before the Big Bang if we are our of any such event ,as the start of time and calculated the years.
The measure of the time we use is based on the duration of the spin of the earth around its own axis.
The Hindu astrologers calculated time daily from the moment of the rise (appearance ) of the Sun in the eastern horizon till its re-emergence the next morning from the same horizon .This period was divided into sixty parts . Two and half times of this sixty parts would correspond to one hour . These sixty parts were further divided into sixty sub- period and so on. so the beginning of time is the period that elapsed from the moment of occurence of some event . We usually say that it is some years since somebody died .The duration of the time id calculated by the duration of the spin of the earth around its axis taking one spin as 24 hours.Time is only a concept and not a matter of any sort .

Answer 4

Beginning of time can be said to be the moment when the universe came into existence. Which is Big Bang according to secondary school book, but debated by more advanced theories

Answer 5

We have theories that go up to right after the start of the universe, like 10^-32 seconds after the start (Big Bang). But there is nothing we know about the very start. The laws of Physics as we know them, seem to break down. No one can say with any amount of certainty what the very very beginning was like.

Answer 6

Is there a need to define the "beginning of time"?Why wasting your time and points?

Answer 7

It is believed that space and time are related. Before space, there was no time. Therefore, from a scientific standpoint, the beginning of time occured at the Big Bang, with the creation of everything.

Answer 8

At the beginning of time there was the Big Bang.

Answer 9

Beginning of time occurs with the existence of Green's function for the differential operator describing a causal physical system. Not all causal physical systems permit existence of time as a variable or parameter.

Answer 10

If you are confident about your self and you know that nobody can defeat you than you can define your own time and also people will accept your defined time....Have a nice TIme....